Critical RCE Flaw in HashiCorp Vault Unpatched as OpenBao Releases Fix

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A critical remote code execution vulnerability has been discovered in both HashiCorp Vault and OpenBao, allowing unauthenticated attackers to fully compromise affected servers by chaining four distinct flaws. OpenBao has already addressed the issue by releasing patched versions 2.6.3 and 2.7.0, but HashiCorp Vault remains unpatched due to a breakdown in coordinated disclosure between IBM and HashiCorp. The exploit requires only unauthenticated access and a misconfigured Raft snapshot policy to trigger a complete server takeover. Organizations still running HashiCorp Vault are advised to apply temporary mitigations such as network segmentation, access restrictions, and enhanced monitoring while awaiting an official patch. The situation highlights wider industry challenges around vendor coordination and the risks posed by delayed patch deployment in enterprise environments.

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